Composite photo taken on Dec. 9, 2016 shows a satellite-to-earth link established between quantum satellite "Micius" and the quantum teleportation experiment platform in Ali, southwest China's Tibet Autonomous Region. The world's first quantum satellite "Micius" was put into use on Wednesday after four-month on-orbit tests. China launched the satellite on Aug. 16, 2016. It is nicknamed "Micius," after a fifth century B.C. Chinese philosopher and scientist. (Xinhua/Jin Liwang)
